diff --git a/DESCRIPTION b/DESCRIPTION
index 21c48b9..4ffdb62 100644
--- a/DESCRIPTION
+++ b/DESCRIPTION
@@ -40,3 +40,5 @@ Suggests:
     testthat (>= 3.0.0)
 Config/testthat/edition: 3
 VignetteBuilder: knitr
+Remotes: r-lib/httr2
+
diff --git a/R/backend-openai-core.R b/R/backend-openai-core.R
index ef7d5a1..755806e 100644
--- a/R/backend-openai-core.R
+++ b/R/backend-openai-core.R
@@ -52,7 +52,7 @@ openai_stream_ide <- function(defaults, req_body) {
           openai_stream_ide_delta(x, defaults)
           TRUE
         },
-        buffer_kb = 0.1
+        buffer_kb = 0.1, round = "line"
       )
     if (!ui_current_console()) ide_paste_text("\n\n")
     ret <- ch_env$stream$response
@@ -121,7 +121,7 @@ openai_stream_file <- function(
           openai_stream_file_delta(x, defaults, r_file_stream)
           TRUE
         },
-        buffer_kb = 0.05
+        buffer_kb = 0.05, round = "line"
       )
     ret <- readRDS(r_file_stream)
     saveRDS(ret, r_file_complete)